Measuring and testing – Simulating operating condition – Marine
Patent
1989-01-31
1990-01-23
Raevis, Robert R.
Measuring and testing
Simulating operating condition
Marine
73129, G01M 1500
Patent
active
048950211
ABSTRACT:
A vehicle acceleration sensor forming a part of an anti-lock brake control system is tested mounted on a motor vehicle to see if the sensor will be activated at a predetermined degree of vehicle deceleration. A check signal is first impressed to a sensor check terminal of a control circuit included in the anti-lock brake control system, thereby causing the control circuit to light up a warning lamp. The motor vehicle is then moved onto a ramp having an angle with respect to the plane of the horizon corresponding to the predetermined degree of vehicle deceleration. If the sensor is activated on the ramp, the warning lamp is extinguished to indicate the proper functioning of the sensor. The warning lamp remains glowing if the sensor is not activated on the ramp for some inherent trouble or because of errors in mounting the sensor of the vehicle.
REFERENCES:
patent: 3362757 (1968-01-01), Marcheron
patent: 3953080 (1976-04-01), Bremer
patent: 4192180 (1980-03-01), Gerstenmeier et al.
patent: 4252014 (1981-02-01), Ruof
Fuji Jukogyo Kabushiki Kaisha
Raevis Robert R.
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